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cacme/vendor/workerman/validation/library/Rules/Decimal.php

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+<?php
+
+/*
+ * Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
+ * SPDX-License-Identifier: MIT
+ */
+
+declare(strict_types=1);
+
+namespace Respect\Validation\Rules;
+
+use function is_numeric;
+use function is_string;
+use function number_format;
+use function preg_replace;
+use function var_export;
+
+/**
+ * Validates the decimal
+ *
+ * @author Henrique Moody <henriquemoody@gmail.com>
+ */
+final class Decimal extends AbstractRule
+{
+    /**
+     * @var int
+     */
+    private $decimals;
+
+    public function __construct(int $decimals)
+    {
+        $this->decimals = $decimals;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function validate($input): bool
+    {
+        if (!is_numeric($input)) {
+            return false;
+        }
+
+        return $this->toFormattedString($input) === $this->toRawString($input);
+    }
+
+    /**
+     * @param mixed $input
+     */
+    private function toRawString($input): string
+    {
+        if (is_string($input)) {
+            return $input;
+        }
+
+        return var_export($input, true);
+    }
+
+    /**
+     * @param mixed $input
+     */
+    private function toFormattedString($input): string
+    {
+        $formatted = number_format((float) $input, $this->decimals, '.', '');
+        if (is_string($input)) {
+            return $formatted;
+        }
+
+        return preg_replace('/^(\d+\.\d)0*$/', '$1', $formatted) ?: '';
+    }
+}